Synthesis of CoFe2O4 Magnetic Nanoparticles by Thermal Decomposition

Title
Synthesis of CoFe2O4 Magnetic Nanoparticles by Thermal Decomposition
Author(s)
김기현데바라즈사운다라잔[데바라즈사운다라잔]
Keywords
FERRITE; NANOSTRUCTURES; POWDER; SIZE
Issue Date
201403
Publisher
KOREAN MAGNETICS SOC
Citation
JOURNAL OF MAGNETICS, v.19, no.1, pp.5 - 9
Abstract
The amine functionalized CoFe2O4 nanoparticles were prepared by thermal decomposition method at reflux temperatures 160 degrees C and 172 degrees C. The obtained CoFe2O4 nanoparticles at 160 degrees C reflux temperature show aggregation free poly-dispersed nanoparticles in 4-15 nm range. In an elevated reflux temperature of 172 degrees C, CoFe2O4 show aggregated poly-dispersed nanoparticles in the size range of 20-46 nm. The saturation magnetization value at 300 K exhibited 51 emu/g at reflux temperature of 160 degrees C. However, the sample synthesized at an elevated temperature of 172 degrees C has shown a coercive field value of 560 Oe with saturation magnetization of 68 emu/g.
URI
http://hdl.handle.net/YU.REPOSITORY/32786http://dx.doi.org/10.4283/JMAG.2014.19.1.005
ISSN
1226-1750
Appears in Collections:
이과대학 > 물리학과 > Articles
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